Influence ofAzotobacterand vermicompost on growth, flowering, yield and quality of strawberry cv. Chandler

Abstract

An experiment was carried out during two subsequent years, i.e., 2009-10 and 2010-11 to study the influence of Azotobacter, vermicompost on growth, flowering, yield and quality of strawberry cv. Chandler. There were nine treatments comprising two levels each of Azotobacter (6 and 7 kg/ha) and vermicompost (20 and 30 t/ ha) and their combinations along with one control, replicated thrice in randomized block design. Five kg of FYM was applied as a basal dose in all the treatments including control. All the doses of Azotobacter and vermicompost were applied at the time of planting in the field. The data of both the years of experiment were pooled and analyzed. The combined application of Azotobacter at 7 kg/ha + vermicompost at 30 t/ha significantly increased the height of plant (18.70 cm), number of leaves (61.60), crowns (6.77) and runners (4.83) per plant, whereas, maximum number of flowers (56.69), fruits set (25.87) per plant with increased duration of harvesting (66.80 days) and minimum number of days taken to produce first flower (55.17 days) and fruit set (6.19 days) with significantly more yield (322.38 g/plant) were observed with Azotobacter at 6 kg/ha + vermicompost at 30 t/ha applied plants. Plants fertilized with Azotobacter at 6 kg/ha + vermicompost at 30 t/ha also produced the berries with maximum length (4.76 cm), width (2.49 cm), weight (8.75 g), volume (5.97 cc), TSS (9.80 0 Brix), total sugars (9.23%), ascorbic acid (54.72 mg/100 g edible portion) with minimum titratable acidity (0.50%) in comparison to other treatments under plains of central Uttar Pradesh.

Influence of Differential Combinations of Fertilizer and Manure Combinations on Vegetative Growth, Yield and Quality of Strawberry (Fragaria x annanassa Duch.) cv. Douglas

“…The earliness may be due to an optimum supply of plant nutrients growth harmones in right amount during the entire crop period which induces the vegetative development of the plant and ultimately more photosynthesis. Similar findings also reported by Karma Beer et al, (2017), Rayees et al, (2015), Tripathi et al, (2015), Yadav et al, (2010), Umer et al, (2010), Singh et al,(2010), Singh (2009), Asrey andSingh (2004) and Gajbhiye et al, (2003) all reported the superiority of organic manures compared to NPK inorganic fertilizers in producing higher yields. The superiority of treatment T4 in producing a maximum number of fruits/plant may be due to a greater growth and reproductive capacity of plants as influenced by a mixture of manures and inorganic fertilizers.…”

“…Present findings are in close conformity with the results presented by Rayees et al, (2015), Tripathi et al, (2015), Singh and Dwivedi (2011), Shehata et al, (2011), Abu-Zahra et al, (2011), Yadav et al, (2010, Mahadeen et al, (2009), Aracon et al, (2004, Ali et al, (2003), Prasad et al, (2002), Singh et al, (2001) and Woznaik et al, (1997).…”

Effect of Organic, Inorganic and Bio-Fertilizer on Growth, Flowering, Yield and Quality of Strawberry (Fragaria × Ananassa Duch.) cv. Chandler

“…This phenomenon may be on account of prolonged growth of plant in the presence of organic, inorganic and biofertilizers. These results gain support from the findings of Tripathi et al, (2015), who observed earliest flowering with vermicompost + Azotobacter which are also in close conformity with the findings of Kumar et al, (2007) in tomato. Data presented in table 2 clearly revealed that minimum number of days taken to fruit set (6.26) and maximum number of fruits set per plant (42.09) was recorded in plants treated with vermicompost (25ton/ha) + Azotobacter (6 kg/Ha) + NPK (70:80:80) treated plants.…”

“…Similar findings also reported by Yadav et al, (2010) and Umar et al, (2010) in strawberry. These results are in conformity with the finding of Tripathi et al, (2015) who noted that increase in vermicompost and Azotobacter doses resulted in maximum fruit set in strawberry.…”

Effect of Nutrient Concentration on Vegetative Growth of Strawberry (Fragaria x ananassa)

“…And it also depends on the different condition of the growing strawberry in poly house (Tripathi et al, 2015). In plant height at 30 days observation shows the 10.62% increase at 15 days; however the variation in treatments from 4.06-5.93 cm and T 9 (25% RDF + 75% FYM) shows the best plant height.…”